Fix: Update since tag for `wp_get_user_request()` #35358

Job	Run time
Determine Matrix	5s
Multisite Memcached / Test current	14m 12s
Multisite Default / Test current	14m 18s
Single Site Default / Test before	14m 19s
Single Site Memcached / Test before	14m 6s
Multisite Default / Test before	13m 50s
Multisite Memcached / Test before	14m 5s
Single Site Default / Test current	13m 43s
Single Site Memcached / Test current	13m 25s
Compare / Single Site Default	14s
Compare / Single Site Memcached	18s
Compare / Multisite Default	12s
Compare / Multisite Memcached	24s
Slack Notifications	0s
Failed workflow tasks	0s
	1h 53m 11s

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